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Finding the Third Proportional to 19,790 and 29,037

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Solution

The third proportional to 19,790 and 29,037 is: 42,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790 : 29,037 = 29,037 : x
  2. Step 2: Convert to fraction form
    19,790/29,037 = 29,037/x
  3. Step 3: Cross multiply
    19,790x = 29,037 × 29,037
  4. Step 4: Simplify right side
    19,790x = 843,147,369
  5. Step 5: Solve for x
    x = 843,147,369/19,790
  6. Step 6: Final answer
    x = 42,604.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.